DeKalb County Disaster Risk
DeKalb County, Alabama
FEMA Risk Rating
Relatively Low
National Percentile
80th
of 3,144 counties
State Rank
#21
of 67 (1 = highest risk)
Flood Risk
82th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 82% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Relatively Low
Higher than 74% of US counties
Tornado
Tornado and severe thunderstorm risk
Moderate
Higher than 88% of US counties
Earthquake
Seismic activity and ground shaking risk
Moderate
Higher than 86% of US counties
Hurricane
Tropical cyclone and hurricane risk
Relatively Low
Higher than 70% of US counties
Risk Overview
About Natural Disaster Risk in DeKalb County, Alabama
DeKalb's Risk Sits Above National Average
DeKalb County scores 80.38 on the composite risk scale, earning a Relatively Low rating but running notably higher than the national average. This score reflects above-average exposure to multiple hazard types, particularly tornadoes and earthquakes, which residents should monitor year-round.
Higher Risk Than Most Alabama Counties
At 80.38, DeKalb's composite risk exceeds Alabama's state average of 61.54, placing it in the riskier half of the state's 67 counties. The county faces particularly acute tornado exposure compared to most of its peers statewide.
Among the State's Most Hazard-Prone
DeKalb's 80.38 score ranks it among the higher-risk counties in northeast Alabama, especially compared to neighboring Fayette County (38.17) and Franklin County (67.72). The county's 88.26 tornado risk stands out as one of the state's highest.
Tornadoes and Earthquakes Lead Threats
Tornado risk dominates at 88.26, making severe spring and fall storms the county's primary concern—DeKalb consistently ranks in Alabama's top tier for tornado exposure. Earthquakes present the second major hazard at 85.56, a moderate concern that deserves attention in home preparation and emergency planning.
Secure Coverage for Two Major Threats
Homeowners should prioritize wind and hail coverage for tornado season, as standard homeowners insurance often excludes or limits this protection. Adding earthquake insurance is prudent given DeKalb's above-average seismic risk, and a reinforced safe room or basement shelter offers life-saving protection during severe weather.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in DeKalb County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: DeKalb County
Risk Verdict
DeKalb County sits below the national average for natural disaster exposure, ranking at the 80th percentile across all U.S. counties. DeKalb County's elevated composite score reflects cumulative multi-hazard exposure; households should prepare for the county's two or three primary hazard types.
Hazard Breakdown
Tornado risk is DeKalb County's dominant natural hazard, ranked at the 88th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 86th percentile nationally. Additional tracked hazards include flood (82th percentile), wildfire (74th percentile), hurricane (70th percentile).
Preparedness Context
Ranked at the 88th percentile nationally for tornado risk, DeKalb County is in a zone where storm shelters have the highest per-dollar protective value of any mitigation investment. DeKalb County's county shelter map is typically available through the local emergency management office. Earthquake is the second hazard driver for DeKalb County at the 86th percentile nationally, meaning households should maintain awareness of both severe-weather and earthquake-specific warning systems. DeKalb County residents can check the county's emergency management website for community shelter locations nearest their address — a step worth completing now, not during a warning.
Regional Context
A composite score 18.8 points above the Alabama state average puts DeKalb County in a higher-risk category than most counties in the state.
Is your household prepared for DeKalb County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in DeKalb County, AL?
What types of natural hazards affect DeKalb County?
How does DeKalb County risk compare to the Alabama average?
Is DeKalb County at risk for tornado?
How is natural disaster risk measured?
Why is DeKalb County higher risk than average?
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.